If you're trying to establish cause-and-effect relationships, do try to do so with a properly designed experiment.


Statistics: A Guide to the Unknown (1972) by J.M. Tanur, Statistics, Sports, and Some Other Things, p. 195


If you're trying to establish cause-and-effect relationships, do try to do so with a properly designed experiment.

If you're trying to establish cause-and-effect relationships, do try to do so with a properly designed experiment.

If you're trying to establish cause-and-effect relationships, do try to do so with a properly designed experiment.

If you're trying to establish cause-and-effect relationships, do try to do so with a properly designed experiment.